diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_ggtt.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_ggtt.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_ggtt.c b/drivers/gpu/drm/xe/xe_ggtt.c index d67249496113..14b6d68a6324 100644 --- a/drivers/gpu/drm/xe/xe_ggtt.c +++ b/drivers/gpu/drm/xe/xe_ggtt.c @@ -195,6 +195,13 @@ static void ggtt_invalidate_gt_tlb(struct xe_gt *gt) if (!gt) return; + /* + * Invalidation can happen when there's no in-flight work keeping the + * GT awake. We need to explicitly grab forcewake to ensure the GT + * and GuC are accessible. + */ + xe_force_wake_get(gt_to_fw(gt), XE_FW_GT); + /* TODO: vfunc for GuC vs. non-GuC */ if (gt->uc.guc.submission_state.enabled) { @@ -216,6 +223,8 @@ static void ggtt_invalidate_gt_tlb(struct xe_gt *gt) xe_mmio_write32(gt, GUC_TLB_INV_CR, GUC_TLB_INV_CR_INVALIDATE); } + + xe_force_wake_put(gt_to_fw(gt), XE_FW_GT); } void xe_ggtt_invalidate(struct xe_ggtt *ggtt) |